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ppc64-isa207-atomic-inst.S revision 1.1.1.5 
      1 /* This file is part of GDB, the GNU debugger.
      2 
      3    Copyright 2017-2024 Free Software Foundation, Inc.
      4 
      5    This program is free software; you can redistribute it and/or modify
      6    it under the terms of the GNU General Public License as published by
      7    the Free Software Foundation; either version 3 of the License, or
      8    (at your option) any later version.
      9 
     10    This program is distributed in the hope that it will be useful,
     11    but WITHOUT ANY WARRANTY; without even the implied warranty of
     12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     13    GNU General Public License for more details.
     14 
     15    You should have received a copy of the GNU General Public License
     16    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
     17 
     18 	.align 2
     19 	.globl test_atomic_sequences
     20 #if _CALL_ELF == 2
     21 	.type test_atomic_sequences,@function
     22 test_atomic_sequences:
     23 #else
     24 	.section ".opd","aw"
     25 	.align 3
     26 test_atomic_sequences:
     27 	.quad .test_atomic_sequences,.TOC.@tocbase,0
     28 	.size test_atomic_sequences,.-test_atomic_sequences
     29 	.previous
     30 	.globl .test_atomic_sequences
     31 	.type .test_atomic_sequences,@function
     32 .test_atomic_sequences:
     33 #endif
     34 
     35 	li	0,0
     36 	addi	4,1,-8
     37 
     38 	stb	0,0(4)
     39 1:	lbarx	5,0,4
     40 	cmpdi	5,0
     41 	bne	2f
     42 	addi	5,5,1
     43 	stbcx.	5,0,4
     44 	bne	1b
     45 
     46 	sth	0,0(4)
     47 2:	lharx	5,0,4
     48 	cmpdi	5,0
     49 	bne	3f
     50 	addi	5,5,1
     51 	sthcx.	5,0,4
     52 	bne	2b
     53 
     54 #ifdef	__BIG_ENDIAN__
     55 	li 10,0
     56 	li 6,0
     57 	li 7,1
     58 	std 10,-16(1)
     59 	li 10,1
     60 	std 10,-8(1)
     61 	addi 4,1,-16
     62 #else
     63 	std 9,40(1)
     64 	li 9,1
     65 	addi 4,1,32
     66 	std 9,32(1)
     67 	mr 8,9
     68 	ld 3,8(4)
     69 #endif
     70 3:	lqarx 10,0,4
     71 #ifdef	__BIG_ENDIAN__
     72 	li 8,0
     73 	li 9,2
     74 	mr 5,10
     75 	xor 10,11,7
     76 	xor 5,5,6
     77 	or. 4,5,10
     78 	bne 4f
     79 	addi 10,1,-16
     80 	stqcx. 8,0,10
     81 #else
     82 	xor 9,11,8
     83 	mr 6,11
     84 	xor 11,10,3
     85 	or. 0,9,11
     86 	bne 4f
     87 	li 14,0
     88 	li 15,2
     89 	stqcx. 14,0,4
     90 #endif
     91 	bne 3b
     92 
     93 4:	li	3,0
     94 	blr
     95 
     96 #if _CALL_ELF == 2
     97 	.size test_atomic_sequences,.-test_atomic_sequences
     98 #else
     99 	.size .test_atomic_sequences,.-.test_atomic_sequences
    100 #endif
    101 	.section	.note.GNU-stack,"",@progbits
    102